package tedu.api.exception;

public class TryCatchDemo {
    public static void main(String[] args){
        System.out.println("程序开始了.....");

        try{
            String line = null;
            System.out.println(line.length());

            String line1 = "";
            System.out.println(line1.charAt(0));

            String line2 = "abc";
            System.out.println(Integer.parseInt(line2));
            System.out.println("try块语句执行完成");
        }catch (NullPointerException e){
            System.out.println("空指针异常处理了");
        }catch (StringIndexOutOfBoundsException e){
            System.out.println("下标越界异常处理了");
        /*}catch (NullPointerException | StringIndexOutOfBoundsException e){
            System.out.println("空指针或下标越界异常处理了");*/
        }catch (Exception e){
            System.out.println("出了个错");
        }

        System.out.println("程序结束了.....");
    }
}
